package view;
import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

public class SecuFilter implements Filter{

	public void destroy() {
		
	}

	public void doFilter(ServletRequest request, ServletResponse response, 
		FilterChain chain) throws IOException, ServletException {
		HttpServletRequest req = (HttpServletRequest)request;
		HttpServletResponse res = (HttpServletResponse)response;
		HttpSession session = req.getSession();
		
		if (session.getAttribute("loginManager") != null){
			chain.doFilter(request, response);
			return;
		}
		
		res.sendRedirect(req.getContextPath()+"/app/login.jsp");
	}

	public void init(FilterConfig arg0) throws ServletException {
	}
}
